28238775

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8011}}^1$

素因数の和:8071

約数の個数: 24

約数和(自身を含む): 47687424

約数和(自身を除く): 19448649

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 8011, 24033, 40055, 120165, 200275, 376517, 600825, 1129551, 1882585, 5647755, 9412925, 28238775]

約数ペア:

[(1, 28238775), (3, 9412925), (5, 5647755), (15, 1882585), (25, 1129551), (47, 600825), (75, 376517), (141, 200275), (235, 120165), (705, 40055), (1175, 24033), (3525, 8011)]